[roarctf2019] gold 6 years

[RoarCTF2019] gold 6 year

Download to a mp4 file ,strings to glance at , Found a string at the end , And it looks like base64

strings attachment.mp4

base64 Decoding is really , Discovery is a rar file

As rar file , When I opened it, I found a password. Fuck , watch mp4, I found that some books have two-dimensional codes （ Didn't even notice ）

Scanning and splicing to obtain the compressed packet password iwantplayctf

roarctf{
    CTF-from-RuMen-to-RuYuan}